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DEV-501 Apex and Visualforce Controllers (DEV501)

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DEV-501 exam Dumps Source : Apex and Visualforce Controllers (DEV501)

Test Code : DEV-501
Test name : Apex and Visualforce Controllers (DEV501)
Vendor name : Salesforce
: 239 existent Questions

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Salesforce Apex and Visualforce Controllers

Deep Dive into Debugging Apex and Visualforce Code with recent force.Com Ide | killexams.com existent Questions and Pass4sure dumps

Introduction

This publish is a brief overview of how to debug Apex and Visualforce code in the JetForcer, a recent up to date force.com IDE in keeping with IntelliJ conception platform.

We’ll select a better peruse in any respect purchasable points and believe a few hints that construct debugging extra handy and convenient. For this, they are going to construct a simple debugging confound and check out to fix it.

Let's go!

Step 1: prepare Org information

Execute anonymous code and prepare org data

In quick, their intent is to create a Visualforce web page so that it will array purchasable accounts and provide an capability to filter them. first of all, fill their org with the vital money owed. For this, bustle following code within the Execute anonymous device window or just expend latest bills.

anonymous code:

Map<String, String> acctName2RatingMap = recent Map<String, String> 'Ant Conglomerate' => 'warm', 'Bee collection company' => 'bloodless', 'Beetle Brothers build store' => 'scorching', 'Butterfly grace components' => 'bloodless', 'Flea LLC' => 'cold', 'Fly airways' => 'heat', 'Moth Candle business' => 'hot', 'Tick Timepieces' => 'hot', 'Wasp Industrial products' => 'cold', 'Weevil Consultancy' => 'warm' ; listing<Account> newAccts = recent record<Account>(); for(String accName : acctName2RatingMap.keySet()) Account newAcct = recent Account(); newAcct.identify = accName; newAcct.BillingCity = 'Suffragette metropolis'; newAcct.score = acctName2RatingMap.get(accName); newAccts.add(newAcct); for (Account each and every : newAccts) equipment.debug(each and every); insert newAccts; Step 2: Visualforce Controller

subsequent, let’s create a Visualforce controller to debug. it can subsist in a position to filter accounts listing if obligatory or simply recur natural records without filtration.  

favored classification content:

public class AccountViewerController public Boolean removeCold get; set; public list<Account> effects get; set; public AccountViewerController() removeCold = false; outcomes = [SELECT Id, Name, Owner.Name, Rating, BillingCity, BillingState FROM Account WHERE BillingCity = 'Suffragette City' ORDER BY name ASC]; public checklist<Account> getAccountTable() record<Account> accountsToReturn = recent listing<Account>(outcomes); if (Boolean.valueOf(removeCold)) removeColdAccounts(accountsToReturn); return accountsToReturn; public void removeColdAccounts(record<Account> listToReduce) system.debug('doing away with "bloodless" bills'); device.debug(' size before: ' + listToReduce.dimension()); for (Integer i = 0; i < listToReduce.dimension(); i++) Account a = listToReduce.get(i); if (a.ranking.equalsIgnoreCase('cold')) listToReduce.get rid of(i); device.debug('removed bloodless account: ' + a.identify); device.debug(' measurement after: ' + listToReduce.dimension()); public void noOp() Step 3: Visualforce web page

Now they want a Visualforce web page to view and filter their accounts.web page markup:

<apex:web page controller="AccountViewerController"> <apex:form > <apex:outputPanel identification="resultTable"> <apex:pageBlock > <apex:actionstatus identity="repute"> <apex:aspect name="delivery"> <div category="waitingSearchDiv" identity="el_loading" fashion="history-colour: #fbfbfb; peak: one hundred%; opacity:0.65;width:100%;"> <div type="waitingHolder" vogue="good: seventy four.2px; width: 91px;"> <img type="waitingImage" src="/img/loading.gif" title="Please Wait..."/> <span class="waitingDescription">Please Wait...</span> </div> </div> </apex:aspect> </apex:actionstatus> <apex:pageBlockSection title="debts Filter" collapsible="false"> <apex:inputCheckbox cost="!removeCold" label="conceal bloodless money owed"> <apex:actionSupport experience="onchange" action="!noOp" popularity="status" rerender="resultTable"/> </apex:inputCheckbox> </apex:pageBlockSection> <apex:pageBlockSection title="Scheduled Jobs" collapsible="false"> <apex:pageBlockTable value="!accountTable" var="a" identification="thePageBlockTable"> <apex:column fashion="vertical-align:desirable"> <apex:outputField cost="!a.name"/> <apex:side name="header">identify</apex:aspect> </apex:column> <apex:column > <apex:outputField price="!a.BillingCity"/> <apex:aspect name="header">city</apex:side> </apex:column> <apex:column > <apex:outputField price="!a.BillingState"/> <apex:side name="header">State</apex:aspect> </apex:column> <apex:column > <apex:outputField value="!a.ranking"/> <apex:facet name="header">rating</apex:aspect> </apex:column> </apex:pageBlockTable> </apex:pageBlockSection> </apex:pageBlock> </apex:outputPanel> </apex:form> </apex:web page> Step four: Configure track Flags

subsequent, configure track flag for their Visualforce controller. It necessary for generation debug logs after controller exercise. For track flags administration, JetForcer provides the track Flags tab in the Log supervisor tool window.

Please word that there are few necessities for a hit debugging:

  • Debug log should include STATEMENT_EXECUTE events which used for navigating to sources. (Debug plane for Apex log category may noiseless subsist at the least "Finer")

  • [Optional] in case you wish to explore endemic variables, fields or constants with Variables View, then debug log may noiseless contain VARIABLE_ASSIGNMENT hobbies (Debug stage for Apex log class should subsist at the least "gold standard")

  • [Optional] if you wish to debug Visualforce controllers, then debug log should noiseless include VF_APEX_CALL_START events which used for calculating present supply place. (Debug log for Visualforce log class may noiseless subsist at the least "best")

  • Step 5: establish an issue

    Our expectations are that their Visualforce page may noiseless subsist working completely! Let’s subsist certain.

    As they will see, whatever went wrong and one “bloodless” account is noiseless persisted in the list. Why did this happen? It’s time for debugging!

    Step 6: learn Log with Log manager

    After their activity in the browser, a corresponding debug log has been generated. find it through the expend of the Log tab from the Log supervisor device window.

    This tab is an impressive tool for managing debug logs and offers following elements:

  • Retrieving recent logs from the server by using the Retrieve final Logs motion;

  • making expend of filters to logs table (e.g. filter All logs through particular Operation);

  • Distinguish between examine/unread/new logs  (e.g. recent logs are proven in bold);

  • beginning a recent debug session or creating recent debug configuration for chosen log arrogate from the Logs tab.

  • Step 7: expend Debug Watches for Exploring gargantuan components of Your Code.

    JetForcer gives Debug Watches to a convenient exploring of code expressions values (variables, fields, components calls etc.) in the Variables View.

    Debug Watch is a equipment#debug(Object) system muster with a specific sample:

    device.debug('[<watch_name>::<watch_type>]:watches' + JSON.serialize(<expression>))

    we can avoid "list of dimension 10 too huge to monitor" warning by using watches.

    consider free to without delay add recent watch by using "Add to Watches..." intent motion.

    After adding watches recollect to set up adjustments to the org and generate recent debug logs in accordance with recent sources.

    Step eight: Stepping in the course of the Code Execution flux (Step moves and Breakpoints).

    JetForcer gives a pair of methods of navigating via code while debugging:

    Step moves: When a debug session is started, the Debug device window becomes energetic and allows for you to bag manipulate over the code stream execution by using Step movements.

    They can subsist known as from the bustle menu normally toolbar, or by using the actions on the stepping toolbar in the Debug tool window.

    every stepping motion advances the droop context to the next STATEMENT_EXECUTE adventure vicinity, counting on the action you opt for.

  • Breakpoints are source code markers used to intentional suspending vicinity in a code execution move. customarily used for straight away bounce to the desired STATEMENT_EXECUTE experience through skipping All traditional statistics. For adding or removing a breakpoint, click the left gutter locality at a line where you need to toggle a breakpoint.

  • Step 8: Debug the problem

    The issue is that getting rid of "cold" account from the listing would change the positions of the following money owed. It shifts them one region up.

    So if you delight in two consecutive "cold" money owed, the 2nd one could subsist always skipped with the aid of the filter.

    Step 9: fix the issue

    To repair the difficulty just decrement the cost of the loop's counter "i", each time doing away with an account from the list.

    public void removeColdAccounts(record<Account> listToReduce) { equipment.debug('getting rid of "bloodless" bills'); system.debug(' measurement earlier than: ' + listToReduce.size()); for (Integer i = 0; i < listToReduce.size(); i++) gadget.debug('[listToReduce-BEFORE::List<Account>]:watches' + JSON.serialize(listToReduce)); Account a = listToReduce.get(i); if (a.ranking.equalsIgnoreCase('bloodless')) listToReduce.eradicate(i); i--; // add fix device.debug('[listToReduce-AFTER::List<Account>]:watches' + JSON.serialize(listToReduce)); system.debug('eliminated chilly account: ' + a.identify); ...

    that's About It!

    here is a very concise overview of some JetForcer debugger capabilities, simply to provide you with a brief start. if you learn it unique, you may are trying out a free 30-day ordeal version from the respectable site.be certain you ensue @JetForcer on Twitter to subsist notified about updates, points, recent releases and engaging records concerning the JetForcer plugin.

    have fun with constructing with JetForcer and JetBrains IDEs!

    themes:

    salesforce construction ,salesforce lightning ,salesforce crm ,salesforce path working towards ,salesforce app development ,salesforce customization


    JavaScript for Visualforce builders | killexams.com existent Questions and Pass4sure dumps

    however that you could if you heed this information! Introduction

    due to the fact that Lightning accessories burst onto the scene, developers within the Salesforce ecosystem may subsist forgiven for assuming that Visualforce is now a legacy technology and that each one recent edifice may noiseless subsist carried out in Lightning. To my intellect here's a puny too black and white — while it’s probably that Lightning will bag the lion’s participate of consideration from Salesforce, and Visualforce is probably going to acquire protection in region of recent functionality, Visualforce is a mature technology it's in expend in hundreds of thousands of purposes All over so it’s not going away any time soon.

    There’s moreover no purpose to suppose that organizations are going to drop their investment in Visualforce and rebuild All of their applications in Lightning — I always advise clients towards this sort of issue until there’s a compelling purpose. in any other case there’s a major investment and the best possible outcome is that clients don’t word any difference, whereas the extra probably influence is that issues don’t moderately labor as they did, or in any respect!

    another excuse I believe the concept is mistaken is that it pre-supposes All Visualforce developers can seamlessly transition to Lightning with minimal effort. while this might subsist existent for the likes of me which delight in been programming for just about 40 years, it most basically isn’t the case for those that delight in self-taught themselves Apex and Visualforce with the aid of edifice purposes with the champion and back of the Salesforce community. lots of the time here's the simplest programming these americans delight in done, so relocating to another language isn’t simple — peculiarly JavaScript! loose typing, closures, capabilities as first classification objects and prototypes are absolutely alien ideas in the event you are handiest used to a strongly typed statically compiled language fancy Apex.

    That talked about, I’d definitely submit Salesforce developers to birth familiarising themselves with JavaScript, but this is a lot easier when performed in the standard atmosphere of Visualforce, enabling the server to result many of the cumbersome lifting. Taking this approach isn’t a silver bullet although, so here’s some assistance in keeping with my own adventure relocating over.

    make an endeavor and study JavaScript

    You don’t should develop into an expert, but if you are attempting to piece things together using snippets from other americans’s code you’ll find this an exercise in frustration. JavaScript is terribly several to what you’ve been used to, and figuring out why prerogative here code executes automatically and then throws ‘Uncaught ReferenceError: illustration isn't defined’ could select a long time.

    (feature example()alert('In illustration!');()); instance();

    There are loads of JavaScript resources on the internet, and i’ve heard very Good reviews from americans who’ve used Code college to bag begun. My preference is always books and that i discovered object Oriented JavaScript via Stoyan Stefanov turned into the one which made everything click on for me. Your mileage will almost certainly vary, but it’s really worth spending the time to find the prerogative discovering formula and then making expend of it.

    Separate JavaScript from HTML

    Unobtrusive JavaScript mandates separation of your JavaScript code from your presentation markup, which aptitude no more attaching event handlers at once to HTML features, reminiscent of:

    <input classification="text" id="firstname" onchange="copyToLastname()" />

    in case you result that, a developer that comes after you has to peruse via your entire markup as well as your JavaScript to determine the region a function could subsist used. in its place, attaching the handler to the component programmatically helps to construct transparent things, albeit on the suffuse of an extra line of code — your future colleagues will thanks for taking the time!

    doc.getElementById('firstname').onchange = copyToLastName;

    (as an aside, here is an instance of how features are first classification objects in JavaScript — I’ve described copyToLastName in different places and that i can readily allocate it as the onchange feature for the firstname aspect).

    avoid Visualforce merge syntax in JavaScript

    It’s very tempting to result something fancy here to plug a value from a Visualforce controller without delay into your JavaScript:

    var firstname=’!Contact.FirstName’;

    which appears fairly innocuous. youngsters, what this apparently innocent line of code does is tightly pair your JavaScript to the Visualforce rendering engine — if the JavaScript isn’t processed via the rending engine, the merge syntax might subsist taken as a string literal and anywhere you utilize the firstname property will expose !Contact.FirstName in region of the genuine first name of the contact.

    Why is that this a gargantuan deal I hear you ask? To minimise the weight time of a page, you customarily are looking to stream the JavaScript into an static useful resource so that it can subsist covered as an exterior file as soon as edifice is comprehensive. This allows the browser to cache the external file, which means that the JavaScript doesn’t need to subsist delivered each time a user accesses the web page. exterior files are protected after the Visualforce web page is delivered to the browser, which capability they are simplest processed through the browser, no longer the Visualforce rendering engine.

    As a corollary to this, I All the time submit setting up JavaScript in it’s personal Visualforce component. This continues it properly become independent from the web page markup, while nevertheless providing it as fragment of the page to construct debugging simpler. when you are pleased that every puny thing is working as expected (yeah right!) it’s easy to migrate this to a static resource.

    prevent nameless capabilities

    I’ve spoke of this in so lots of my articles and presentations during the past, but it All the time bears repeating — use nameless capabilities as sparingly as which you could. For these recent to JavaScript (and that i’m expecting just a few of you to subsist reading this), prerogative here’s an anonymous function:

    doRequest(feature(response)console.log('got response ' + response););

    Which doesn’t look too risky on it’s personal. delivery adding extra trade logic and issues prerogative away fade unhealthy:

    doRequest(characteristic(response)console.log('got response ' + response);if (response=='adequate') doSecondRequest(response, function(nextResponse)console.log('acquired response ' + nextResponse););else handleError(response, characteristic(okStatus) console.log('dealt with error k');),characteristic(errorStatus) console.log('Unable to deal with error'); ););

    in the existent world, with extra enterprise logic than primary console.log statements, in the event you bag an exception in an anonymous feature nested inner a number of different anonymous functions it’s relatively lots unimaginable to figure out what really happened. i know this as a result of one of my early JavaScript ventures, Ticket to trip,

    i finished up in precisely this condition. I’d pulled some facts again from the server, dealt with the response in an nameless function after which carried out a bunch of asynchronous characteristic to store offline after which question back, coping with All responses with additional nameless services. a week or so earlier than my dehydrate bustle i used to subsist frantically rewriting every thing!

    Don’t pollute the international namespace

    in case you declare variables in JavaScript fancy the following, these will All subsist brought to the world namespace:

    var x=1;var y=2;var length=three;var weigh number=7;

    The international namespace is the window object, so these declarations simply are:

    window.x=1;window.y=2;window.length=three;window.count=7

    The international namespace, window, is shared between All JavaScript to your page. consequently if in case you delight in encompass a different JavaScript file that broadcasts:

    var weigh number='here is the counter';

    each declarations allocate values to window.count and one JavaScript file goes to subsist upset when it acts on this and finds it’s unexpectedly develop into the inaccurate category.

    as a substitute, create objects certain to your JavaScript and wall the variables inside these objects. You nonetheless stand a random of colliding with an object from yet another JavaScript file, however a practical naming convention may noiseless mitigate this:

    var bgAppObj=x : 1,y : 2,size : 3,count : 7;

    using these is so simple as specifying the thing identify in foster of the variable:

    console.log('length = ' + bgAppObj.size);bgAppObj.count number+=three;

    hence however another JavaScript file specifies a weigh variable within the international namespace, your variables are properly remoted in a container and unaffected.

    That’s All there's to it?

    trust that and you’ll accept as lawful with anything else. The JavaScript language is evolving — ES6 champion is steadily being brought to browsers, ES7 is finalised, frameworks ascend faster than condominium prices and drop faster than politicians reputations, and JavaScript on the server by the expend of Node goes from electricity to energy. Getting All started with JavaScript potential you're opening yourself up to a lot more studying, however it’s the longer term and it’s most effectual to bag in as early as that you could.

    I’m more advantageous wide-spread within the Salesforce neighborhood as Bob Buzzard — Umpteen Certifications, including Technical Architect, 5 x MVP and CTO of BrightGen, a Platinum Cloud Alliance companion within the uk who are hiring.

    that you may locate my (usually) greater technical recommendations at the Bob Buzzard blog


    Salesforce to Launch "UI as a service"; offers Glimpse Into LinkedIn Platform | killexams.com existent Questions and Pass4sure dumps

    Salesforce.com has announced that they can subsist launching Visualforce, which it describes as “consumer-Interface-as-a-provider,” as a fragment of the enterprise’s “summer ‘08” unlock. I spoke with Ariel Kelman, senior director of platform product advertising and marketing at Salesforce previous these days to bag the skinny on this buzzword laden news, and while trade software can moreover not subsist their MO prerogative here at Mashable, Visualforce is whatever thing to pay attention to, as it’s probably a technology that can subsist emulated with the aid of platforms All over.

    consumer Interface as a service

    “consumer Interface as a carrier” (UIaaS) is well-nigh what the title implies: versus edifice a UI from scratch, Visualforce permits developers to construct the most of pre-constructed components to create their UI inside Salesforce functions. in case you're not widespread with Salesforce, their platform, AppExchange, is fancy the fb Platform for trade software, however with extra clients, and with some grave cash concerned.

    For an easy illustration of UIaaS in action, if you desired to consist of on your enterprise’s implementation of Salesforce a Google Map displaying the region your consumers can subsist found, that could subsist a pre-developed component that may well subsist added to your account by means of effectively adding a sole tag. For a greater complicated illustration, Kelman validated a very custom-made version of Salesforce where Dolby (the sound enterprise) is the expend of Salesforce to music which sound platform numerous theatres across the nation are the usage of, with a graphical UI absolutely distinctive from the typical Salesforce.com. in line with Salesforce, UIaaS add-ons can encompass:

    * Pages – this potential makes it possible for the design definition of an application’s user interface.* components – this gives the means to create recent functions that immediately appropriate the flaunt and reckon of Salesforce applications or with ease customize and prolong the Salesforce person interface to specific consumer and user requirements.* Apex Controllers - The controller allows for shoppers to build any user interface behavior.* Static components - offers the skill to effortlessly create, reference, and manage the property used to create UIs—including pictures, fashion sheets, JavaScript libraries, and different browser add-ons.* Inline page and Controller enhancing - In Visualforce development mode, purchasers can edit Visualforce pages and Apex controllers without delay from the runtime view of any page.

    element Developer Ecosystem

    in the meantime, there’s already moderately of an ecosystem in the back of Visualforce; developers can construct add-ons and both sell them to other clients or present them as open source through Salesforce’s frequent AppExchange. thus far, Salesforce claims greater than four,000 builders and 11,000 client interfaces in the preview application for Visualforce.

    LinkedIn Platform Preview

    The Visualforce demo moreover gave Kelman a random to exhibit me what Salesforce is as much as with LinkedIn and its upcoming developer platform, which is currently handiest accessible to opt for partners. The implementation I noticed allows for Salesforce clients to peruse at a particular consumer (for example, FedEx) and notice what number of degrees away they are from them a certain contact within that organization. hence, if I’m seeking to bag in feel with a VP of trade construction at FedEx, perhaps i will behold that an Account manager I’m involved with is barely two degrees away from that key contact. That’s some pretty effectual stuff in the event you umpire in regards to the huge person move-over that doubtless exists between Salesforce and LinkedIn users - it just about turns Salesforce into a CRM app coupled with a FoaF-trend social network.

    Salesforce Is setting The commonplace For "severe" internet structures

    Is it simply me, or result the announcements they hear from Salesforce flaunt to simply construct much more experience than loads of the tie-u.s.we hear about on the customer aspect of the internet? remaining month, the company announced a contend with Google to launch Salesforce for Google Apps, and from what I've considered in my short tour of Visualforce, we're about to peruse lots of a Good concept applications being cranked out by builders within the Salesforce group. It certainly adds extra credence to the conception that fb apps are just for enjoyable.


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    Apex and Visualforce Controllers (DEV501)

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    Deep Dive into Debugging Apex and Visualforce Code with recent Force.Com Ide | killexams.com existent questions and Pass4sure dumps

    Introduction

    This post is a short overview of how to debug Apex and Visualforce code in the JetForcer, a recent modern Force.com IDE based on IntelliJ concept platform.

    We’ll select a closer peruse at All available features and reckon a few tricks that construct debugging more easy and handy. For this, we'll construct a simple debugging confound and try to fix it.

    Let's go!

    Step 1: Prepare Org Data

    Execute anonymous code and prepare org data

    In brief, their aim is to create a Visualforce page that will array available accounts and provide an aptitude to filter them. First of all, fill their org with the necessary accounts. For this, bustle following code in the Execute Anonymous tool window or just expend existing accounts.

    Anonymous code:

    Map<String, String> acctName2RatingMap = recent Map<String, String>{ 'Ant Conglomerate' => 'Warm', 'Bee Collection Agency' => 'Cold', 'Beetle Brothers cadaver Shop' => 'Hot', 'Butterfly Beauty Supplies' => 'Cold', 'Flea LLC' => 'Cold', 'Fly Airlines' => 'Warm', 'Moth Candle Company' => 'Hot', 'Tick Timepieces' => 'Hot', 'Wasp Industrial Products' => 'Cold', 'Weevil Consultancy' => 'Warm' }; List<Account> newAccts = recent List<Account>(); for(String accName : acctName2RatingMap.keySet()) { Account newAcct = recent Account(); newAcct.Name = accName; newAcct.BillingCity = 'Suffragette City'; newAcct.Rating = acctName2RatingMap.get(accName); newAccts.add(newAcct); } for (Account each : newAccts) System.debug(each); insert newAccts; Step 2: Visualforce Controller

    Next, let’s create a Visualforce controller to debug. It should subsist able to filter accounts list if needed or just recur original data without filtration.  

    Desired class content:

    public class AccountViewerController { public Boolean removeCold {get; set;} public List<Account> results {get; set;} public AccountViewerController() { removeCold = false; results = [SELECT Id, Name, Owner.Name, Rating, BillingCity, BillingState FROM Account WHERE BillingCity = 'Suffragette City' ORDER BY name ASC]; } public List<Account> getAccountTable() { List<Account> accountsToReturn = recent List<Account>(results); if (Boolean.valueOf(removeCold)) { removeColdAccounts(accountsToReturn); } return accountsToReturn; } public void removeColdAccounts(List<Account> listToReduce) { System.debug('Removing "cold" accounts'); System.debug(' size before: ' + listToReduce.size()); for (Integer i = 0; i < listToReduce.size(); i++) { Account a = listToReduce.get(i); if (a.Rating.equalsIgnoreCase('Cold')) { listToReduce.remove(i); System.debug('removed chilly account: ' + a.Name); } } System.debug(' size after: ' + listToReduce.size()); } public void noOp() { } } Step 3: Visualforce page

    Now they need a Visualforce page to view and filter their accounts.Page markup:

    <apex:page controller="AccountViewerController"> <apex:form > <apex:outputPanel id="resultTable"> <apex:pageBlock > <apex:actionstatus id="status"> <apex:facet name="start"> <div class="waitingSearchDiv" id="el_loading" style="background-color: #fbfbfb; height: 100%; opacity:0.65;width:100%;"> <div class="waitingHolder" style="top: 74.2px; width: 91px;"> <img class="waitingImage" src="/img/loading.gif" title="Please Wait..."/> <span class="waitingDescription">Please Wait...</span> </div> </div> </apex:facet> </apex:actionstatus> <apex:pageBlockSection title="Accounts Filter" collapsible="false"> <apex:inputCheckbox value="{!removeCold}" label="Hide chilly Accounts"> <apex:actionSupport event="onchange" action="{!noOp}" status="status" rerender="resultTable"/> </apex:inputCheckbox> </apex:pageBlockSection> <apex:pageBlockSection title="Scheduled Jobs" collapsible="false"> <apex:pageBlockTable value="{!accountTable}" var="a" id="thePageBlockTable"> <apex:column style="vertical-align:top"> <apex:outputField value="{!a.name}"/> <apex:facet name="header">Name</apex:facet> </apex:column> <apex:column > <apex:outputField value="{!a.BillingCity}"/> <apex:facet name="header">City</apex:facet> </apex:column> <apex:column > <apex:outputField value="{!a.BillingState}"/> <apex:facet name="header">State</apex:facet> </apex:column> <apex:column > <apex:outputField value="{!a.Rating}"/> <apex:facet name="header">Rating</apex:facet> </apex:column> </apex:pageBlockTable> </apex:pageBlockSection> </apex:pageBlock> </apex:outputPanel> </apex:form> </apex:page> Step 4: Configure track Flags

    Next, configure track flag for their Visualforce controller. It necessary for generation debug logs after controller activity. For track flags management, JetForcer provides the track Flags tab in the Log Manager tool window.

    Please note that there are few essentials for successful debugging:

  • Debug log should contain STATEMENT_EXECUTE events which used for navigating to sources. (Debug plane for Apex log category should subsist at least "Finer")

  • [Optional] If you want to explore local variables, fields or constants with Variables View, then debug log should contain VARIABLE_ASSIGNMENT events (Debug plane for Apex log category should subsist at least "Finest")

  • [Optional] If you want to debug Visualforce controllers, then debug log should contain VF_APEX_CALL_START events which used for calculating current source position. (Debug log for Visualforce log category should subsist at least "Fine")

  • Step 5: Identify a Problem

    Our expectations are that their Visualforce page should subsist working perfectly! Let’s construct sure.

    As they can see, something went wrong and one “Cold” account is noiseless persisted in the list. Why did this happen? It’s time for debugging!

    Step 6: Find Log with Log Manager

    After their activity in the browser, a corresponding debug log has been generated. Find it by using the Log tab from the Log Manager tool window.

    This tab is a powerful tool for managing debug logs and provides following features:

  • Retrieving recent logs from the server by using the Retrieve last Logs action;

  • Applying filters to logs table (e.g. filter All logs by specific Operation);

  • Distinguish between read/unread/new logs  (e.g. recent logs are shown in bold);

  • Starting a recent debug session or creating recent debug configuration for selected log prerogative from the Logs tab.

  • Step 7: expend Debug Watches for Exploring Significant Parts of Your Code.

    JetForcer provides Debug Watches to a handy exploring of code expressions values (variables, fields, mode calls etc.) in the Variables View.

    Debug Watch is a System#debug(Object) mode muster with a specific pattern:

    System.debug('[<watch_name>::<watch_type>]:watches' + JSON.serialize(<expression>))

    We can avoid "List of size 10 too great to display" warning by using watches.

    Feel free to quickly add recent watch by using "Add to Watches..." intent action.

    After adding watches you should deploy changes to the org and generate recent debug logs according to recent sources.

    Step 8: Stepping Through the Code Execution flux (Step Actions and Breakpoints).

    JetForcer provides several methods of navigating through code while debugging:

    Step Actions: When a debug session is started, the Debug tool window becomes active and enables you to bag control over the code flux execution by using Step Actions.

    They can subsist called from the bustle menu in the main toolbar, or by using the actions on the stepping toolbar in the Debug tool window.

    Each stepping action advances the suspend context to the next STATEMENT_EXECUTE event location, depending on the action you choose.

  • Breakpoints are source code markers used to intentional suspending region in a code execution flow. Typically used for quickly jump to the desired STATEMENT_EXECUTE event by skipping All previous data. For adding or removing a breakpoint, click the left gutter locality at a line where you want to toggle a breakpoint.

  • Step 8: Debug the Problem

    The problem is that removing "Cold" account from the list would change the positions of the subsequent accounts. It shifts them one position up.

    So if you delight in two consecutive "Cold" accounts, the second one would subsist always skipped by the filter.

    Step 9: Fix the Problem

    To fix the problem just decrement the value of the loop's counter "i", each time removing an account from the list.

    public void removeColdAccounts(List<Account> listToReduce) { System.debug('Removing "cold" accounts'); System.debug(' size before: ' + listToReduce.size()); for (Integer i = 0; i < listToReduce.size(); i++) { System.debug('[listToReduce-BEFORE::List<Account>]:watches' + JSON.serialize(listToReduce)); Account a = listToReduce.get(i); if (a.Rating.equalsIgnoreCase('Cold')) { listToReduce.remove(i); i--; // add fix System.debug('[listToReduce-AFTER::List<Account>]:watches' + JSON.serialize(listToReduce)); System.debug('removed chilly account: ' + a.Name); } } ...

    That's About It!

    Here is a very concise overview of some JetForcer debugger capabilities, just to give you a quick start. If you find it interesting, you may try out a free 30-day ordeal version from the official website.Make confident you ensue @JetForcer on Twitter to subsist notified about updates, features, recent releases and piquant facts about the JetForcer plugin.

    Enjoy developing with JetForcer and JetBrains IDEs!

    Topics:

    salesforce development ,salesforce lightning ,salesforce crm ,salesforce course training ,salesforce app development ,salesforce customization


    JavaScript for Visualforce Developers | killexams.com existent questions and Pass4sure dumps

    But you can if you heed this advice! Introduction

    Since Lightning Components burst onto the scene, developers in the Salesforce ecosystem could subsist forgiven for assuming that Visualforce is now a legacy technology and that All recent development should subsist carried out in Lightning. To my repartee this is a puny too black and white — while it’s likely that Lightning will bag the lion’s participate of attention from Salesforce, and Visualforce is likely to receive maintenance rather than recent functionality, Visualforce is a mature technology that is in expend in millions of applications around the world so it’s not going away any time soon.

    There’s moreover no reason to suppose that companies are going to drop their investment in Visualforce and rebuild All of their applications in Lightning — I always advise customers against this benevolent of thing unless there’s a compelling reason. Otherwise there’s a significant investment and the best possible outcome is that users don’t notice any difference, while the more likely outcome is that things don’t quite labor as they did, or at all!

    Another reason I umpire the assumption is flawed is that it pre-supposes All Visualforce developers can seamlessly transition to Lightning with minimal effort. While this might subsist lawful for the likes of me that delight in been programming for nearly 40 years, it most definitely isn’t the case for those that delight in self-taught themselves Apex and Visualforce by edifice applications with the back and champion of the Salesforce community. A lot of the time this is the only programming these people delight in done, so affecting to another language isn’t straightforward — especially JavaScript! loose typing, closures, functions as first class objects and prototypes are completely alien concepts when you are only used to a strongly typed statically compiled language fancy Apex.

    That said, I’d certainly advise Salesforce developers to start familiarising themselves with JavaScript, but this is much easier when done in the close surroundings of Visualforce, allowing the server to result most of the cumbersome lifting. Taking this approach isn’t a silver bullet though, so here’s some recommendation based on my own experience affecting over.

    Take some time and learn JavaScript

    You don’t need to become an expert, but if you try to piece things together using snippets from other people’s code you’ll find this an exercise in frustration. JavaScript is very different to what you’ve been used to, and figuring out why the following code executes immediately and then throws ‘Uncaught ReferenceError: sample is not defined’ could select a while.

    (function example(){alert('In example!');}()); example();

    There are masses of JavaScript resources on the web, and I’ve heard very Good reports from people who’ve used Code School to bag started. My preference is always books and I found object Oriented JavaScript by Stoyan Stefanov was the one that made everything click for me. Your mileage will almost certainly vary, but it’s definitely worth spending the time to find the prerogative learning mode and then applying it.

    Separate JavaScript from HTML

    Unobtrusive JavaScript mandates separation of your JavaScript code from your presentation markup, which means no more attaching event handlers directly to HTML elements, such as:

    <input type="text" id="firstname" onchange="copyToLastname()" />

    If you result this, a developer that comes after you has to search through All of your markup as well as your JavaScript to figure out where a function might subsist used. Instead, attaching the handler to the component programmatically helps to clarify things, albeit at the cost of an extra line of code — your future colleagues will thank you for taking the time!

    document.getElementById('firstname').onchange = copyToLastName;

    (as an aside, this is an sample of how functions are first class objects in JavaScript — I’ve defined copyToLastName elsewhere and I can simply allocate it as the onchange function for the firstname element).

    Avoid Visualforce merge syntax in JavaScript

    It’s very tempting to result something fancy the following to plug a value from a Visualforce controller directly into your JavaScript:

    var firstname=’{!Contact.FirstName}’;

    which seems pretty innocuous. However, what this seemingly innocent line of code does is tightly pair your JavaScript to the Visualforce rendering engine — if the JavaScript isn’t processed by the rending engine, the merge syntax will subsist taken as a string literal and anywhere you expend the firstname property will array {!Contact.FirstName} rather than the actual first name of the contact.

    Why is this a gargantuan deal I hear you ask? To minimise the load time of a page, you typically want to stagger the JavaScript into an static resource so that it can subsist included as an external file once development is complete. This allows the browser to cache the external file, acceptation that the JavaScript doesn’t delight in to subsist delivered each time a user accesses the page. External files are included after the Visualforce page is delivered to the browser, which means they are only processed by the browser, not the Visualforce rendering engine.

    As a corollary to this, I always advise developing JavaScript in it’s own Visualforce component. This keeps it nicely divide from the page markup, while noiseless delivering it as fragment of the page to construct debugging easier. Once you are pleased that everything is working as expected (yeah right!) it’s straightforward to migrate this to a static resource.

    Avoid anonymous functions

    I’ve said this in so many of my articles and presentations in the past, but it always bears repeating — use anonymous functions as sparingly as you can. For those recent to JavaScript (and I’m expecting a few of you to subsist reading this), here’s an anonymous function:

    doRequest(function(response){console.log('Got response ' + response);});

    Which doesn’t peruse too imperfect on it’s own. Start adding more trade logic and things quickly fade bad:

    doRequest(function(response){console.log('Got response ' + response);if (response=='OK') {doSecondRequest(response, function(nextResponse){console.log('Got response ' + nextResponse);});}else {handleError(response, function(okStatus) {console.log('Handled error okay');}),function(errorStatus) {console.log('Unable to manipulate error');} );}});

    In the existent world, with more trade logic than simple console.log statements, when you bag an exception in an anonymous function nested inside several other anonymous functions it’s pretty much impossible to figure out what actually happened. I know this because one of my early JavaScript ventures, Ticket to Ride,

    I ended up in exactly this situation. I’d pulled some data back from the server, handled the response in an anonymous function and then carried out a bunch of asynchronous function to store offline and then query back, handling All responses with additional anonymous functions. A week or so before my dehydrate bustle I was frantically rewriting everything!

    Don’t pollute the global namespace

    If you declare variables in JavaScript fancy the following, these will All subsist added to the global namespace:

    var x=1;var y=2;var length=3;var count=7;

    The global namespace is the window object, so these declarations effectively are:

    window.x=1;window.y=2;window.length=3;window.count=7

    The global namespace, window, is shared between All JavaScript in your page. Thus if you delight in involve another JavaScript file that declares:

    var count='This is the counter';

    Both declarations allocate values to window.count and one JavaScript file is going to subsist disappointed when it acts on this and finds it’s suddenly become the wrong type.

    Instead, create objects specific to your JavaScript and wall the variables inside these objects. You noiseless stand a random of colliding with an object from another JavaScript file, but a sensible naming convention should mitigate this:

    var bgAppObj={x : 1,y : 2,length : 3,count : 7};

    Using these is as simple as specifying the object name prior to the variable:

    console.log('Length = ' + bgAppObj.length);bgAppObj.count+=3;

    Thus even if another JavaScript file specifies a weigh variable in the global namespace, your variables are nicely isolated in a container and unaffected.

    That’s All there is to it?

    Believe that and you’ll believe anything. The JavaScript language is evolving — ES6 champion is gradually being added to browsers, ES7 is finalised, frameworks ascend faster than house prices and drop faster than politicians reputations, and JavaScript on the server via Node goes from energy to strength. Getting started with JavaScript means you are opening yourself up to a load more learning, but it’s the future and it’s best to bag in as early as you can.

    I’m better known in the Salesforce community as Bob Buzzard — Umpteen Certifications, including Technical Architect, 5 x MVP and CTO of BrightGen, a Platinum Cloud Alliance partner in the United Kingdom who are hiring.

    You can find my (usually) more technical thoughts at the Bob Buzzard Blog


    Salesforce to Launch "UI as a Service"; Offers Glimpse Into LinkedIn Platform | killexams.com existent questions and Pass4sure dumps

    Salesforce.com has announced that they will subsist launching Visualforce, which it describes as “User-Interface-as-a-Service,” as fragment of the company’s “Summer ‘08” release. I spoke with Ariel Kelman, senior director of platform product marketing at Salesforce earlier today to bag the skinny on this buzzword laden news, and while trade software may not subsist their MO here at Mashable, Visualforce is something to pay attention to, as it’s potentially a technology that could subsist emulated by platforms far and wide.

    User Interface as a Service

    “User Interface as a Service” (UIaaS) is essentially what the title implies: versus edifice a UI from scratch, Visualforce allows developers to utilize pre-built components to create their UI within Salesforce applications. In case you're not close with Salesforce, their platform, AppExchange, is fancy the Facebook Platform for trade software, but with more users, and with some grave money involved.

    For a simple sample of UIaaS in action, if you wanted to involve in your company’s implementation of Salesforce a Google Map showing where your customers are located, that would subsist a pre-built component that could subsist added to your account by simply adding a sole tag. For a more tangled example, Kelman demonstrated a completely customized version of Salesforce where Dolby (the sound company) is using Salesforce to track which sound platform various theatres around the country are using, with a graphical UI totally different from the standard Salesforce.com. According to Salesforce, UIaaS Components can consist of:

    * Pages – this capability enables the design definition of an application’s user interface.* Components – this provides the aptitude to create recent applications that automatically match the peruse and feel of Salesforce applications or easily customize and extend the Salesforce user interface to specific customer and user requirements.* Apex Controllers - The controller enables customers to build any user interface behavior.* Static Resources - Provides the capability to easily create, reference, and manage the assets used to create UIs—including images, style sheets, JavaScript libraries, and other browser components.* Inline Page and Controller Editing - In Visualforce development mode, customers can edit Visualforce pages and Apex controllers directly from the runtime view of any page.

    Component Developer Ecosystem

    Meanwhile, there’s already a bit of an ecosystem behind Visualforce; developers can build components and either sell them to other users or offer them as open source through Salesforce’s accepted AppExchange. So far, Salesforce claims more than 4,000 developers and 11,000 customer interfaces in the preview program for Visualforce.

    LinkedIn Platform Preview

    The Visualforce demo moreover gave Kelman an opening to demonstrate me what Salesforce is up to with LinkedIn and its upcoming developer platform, which is currently only available to select partners. The implementation I saw allows Salesforce users to peruse at a specific customer (for example, FedEx) and behold how many degrees away they are from them a certain contact within that organization. Hence, if I’m looking to bag in feel with a VP of trade development at FedEx, perhaps I can behold that an Account Manager I’m in contact with is only two degrees away from that key contact. That’s some pretty powerful stuff when you umpire about the huge user cross-over that likely exists between Salesforce and LinkedIn users - it essentially turns Salesforce into a CRM app coupled with a FoaF-style social network.

    Salesforce Is Setting The standard For "Serious" Web Platforms

    Is it just me, or result the announcements they hear from Salesforce look to just construct a lot more sense than a lot of the tie-ups they hear about on the consumer side of the Web? last month, the company announced a deal with Google to launch Salesforce for Google Apps, and from what I've seen in my brief tour of Visualforce, we're about to behold a lot of really useful applications being cranked out by developers in the Salesforce community. It certainly adds more credence to the theory that Facebook apps are just for fun.



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